/* ============================================================
     _refine reform — Top page  (v2 — Nakamura logo palette)
     palette extracted from 中村建設 logo:
       - navy   #1B3A6F  ( main "n" glyph blue )
       - sage   #6B8C5A  ( the green leaf dots )
       - ember  #B23A2A  ( the red dot )
       - paper  #F6F3EC  ( warm paper )
     ============================================================ */
  :root{
    /* paper / ink */
    --paper:        #F6F3EC;
    --paper-2:      #EEEAE0;
    --paper-3:      #E6DFD1;
    --white:        #FBF9F4;
    --ink:          #14171C;
    --ink-2:        #2D2F36;
    --ink-3:        #4A4D55;
    --muted:        #7B7F86;
    --muted-2:      #B7AF9C;
    --rule:         #D9D3C5;
    --rule-2:       #B7AF9C;

    /* logo-derived accents */
    --navy:         #1B3A6F;   /* primary brand color */
    --navy-2:       #0F2347;
    --navy-3:       #2A4F8A;
    --sage:         #6B8C5A;   /* soft secondary */
    --sage-2:       #4F6E45;
    --ember:        #B23A2A;   /* punctuation only */

    /* type — 親サイト refine-design.com に合わせ、英字/ラベルは Montserrat。
       日本語本文は Noto Sans JP、明朝アクセントは Noto Serif JP（従来どおり）。 */
    --display-en:   "Montserrat", -apple-system, "Segoe UI", sans-serif;
    --display-jp:   "Noto Serif JP", "Yu Mincho", "YuMincho", "游明朝",
                    "Hiragino Mincho ProN", serif;
    --sans-jp:      "Noto Sans JP", "Yu Gothic", "YuGothic", "游ゴシック",
                    "Hiragino Kaku Gothic ProN", sans-serif;
    --mono:         "Montserrat", -apple-system, "Segoe UI", sans-serif;

    /* layout */
    --maxw: 1360px;
    --gutter: clamp(20px, 4vw, 56px);
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html,body{ margin:0; padding:0; }
  html{ scroll-behavior:smooth; }
  body{
    background: var(--paper);
    color: var(--ink-2);
    font-family: var(--sans-jp);
    font-weight: 400;
    font-size: 15px;
    line-height: 1.95;
    letter-spacing: 0.04em;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
    font-feature-settings: "palt" 1;
  }
  img{ display:block; max-width:100%; }
  a{ color:inherit; text-decoration:none; }
  button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; padding:0; }

  ::selection{ background: var(--navy); color: var(--white); }

  /* ------------------------------------------------------------ */
  /* Japanese typography — prevent ugly line breaks               */
  /* ------------------------------------------------------------ */
  /* On headings we DO use keep-all because every phrase is wrapped
     in <span class="nb">, so .nb's give break opportunities and
     the words inside each .nb stay together. */
  h1, h2, h3, h4,
  .hero-en, .hero-kicker, .work-card h3, .menu-item h3,
  .stage-card h3 {
    word-break: keep-all;
    overflow-wrap: break-word;
    line-break: strict;
    text-wrap: pretty;
  }
  /* On body paragraphs we want the browser's normal Japanese line
     breaking (any character is a break opportunity) so long
     sentences without <span class="nb"> still wrap inside their
     column instead of overflowing. */
  p, li, .hero-sub, .concept-body p, .about-strip p,
  .menu-item p, .stage-card p, .cta p {
    word-break: normal;
    overflow-wrap: anywhere;
    line-break: strict;
    text-wrap: pretty;
  }
  /* phrase-unit helper — keep a chunk of Japanese on one line
     (used inside headings AND inline in paragraphs that we've
     manually phrased) */
  .nb{
    display: inline-block;
    word-break: keep-all;
    overflow-wrap: normal;
  }

  /* ------------------------------------------------------------ */
  /* Logo lockup ( shared )                                        */
  /* ------------------------------------------------------------ */
  .nlogo{
    display:inline-flex; align-items:center; gap: 12px;
  }
  .nlogo .glyph{
    position: relative;
    font-family: var(--display-en);
    font-weight: 400;
    font-style: normal;
    font-size: 30px;
    line-height: .85;
    color: var(--navy);
    padding-right: 8px;
  }
  .nlogo .glyph::after{
    /* the red dot, after the "n" */
    content:"";
    position:absolute;
    top: 2px; right: -1px;
    width: 5px; height: 5px;
    border-radius: 50%;
    background: var(--ember);
  }
  .nlogo .glyph .leaves{
    position:absolute;
    top: -3px; left: 22px;
    display:flex; gap: 2px;
  }
  .nlogo .glyph .leaves i{
    display:block; width: 4.5px; height: 4.5px;
    border-radius: 50%;
    background: var(--sage);
  }
  .nlogo .glyph .leaves i:nth-child(2){ width: 3.5px; height: 3.5px; opacity:.8; transform: translateY(2px); }
  .nlogo .glyph .leaves i:nth-child(3){ width: 4px;   height: 4px;   opacity:.65; transform: translateY(-1px); }

  .nlogo .lock{ display:flex; flex-direction:column; gap: 2px; line-height: 1.1; }
  .nlogo .lock .jp{
    font-family: var(--display-jp);
    font-weight: 500;
    font-size: 13px;
    letter-spacing: 0.22em;
    color: var(--ink);
  }
  .nlogo .lock .en{
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--muted);
  }
  /* dark variant */
  .nlogo.on-dark .glyph{ color: var(--white); }
  .nlogo.on-dark .lock .jp{ color: var(--white); }
  .nlogo.on-dark .lock .en{ color: rgba(251,249,244,.6); }

  /* image brand mark (replaces the CSS-drawn glyph, site-wide) */
  .nlogo .brand-img{ height: 30px; width: auto; display: block; }
  .site-header .nlogo--lead-sub .brand-img{ height: 26px; }
  footer .nlogo .brand-img{ height: 46px; }

  /* sub-brand badge (shown next to logo): "_refine reform" wordmark */
  .subbrand{
    margin-left: 18px; padding-left: 18px;
    border-left: 1px solid currentColor;
    display:flex; flex-direction:column; gap: 2px; line-height: 1;
  }
  /* variant: subbrand placed FIRST, with divider on the right */
  .nlogo--lead-sub{ gap: 8px; }
  .nlogo--lead-sub .subbrand{
    margin-left: 0; padding-left: 0; border-left: 0;
    margin-right: 10px; padding-right: 10px;
    border-right: 1px solid var(--rule-2);
  }
  /* in the header, shrink + mute the parent "中村建設" mark so the
     reform sub-brand reads as the dominant lockup. */
  .site-header .nlogo--lead-sub .subbrand .word{ font-size: 17px; }
  .site-header .nlogo--lead-sub .subbrand .desc{ color: var(--muted); }
  .site-header .nlogo--lead-sub .glyph{
    font-size: 20px;
    color: var(--muted);
    opacity: .85;
  }
  .site-header .nlogo--lead-sub .glyph::after{ width: 3.5px; height: 3.5px; top: 1px; }
  .site-header .nlogo--lead-sub .glyph .leaves{ top: -2px; left: 14px; }
  .site-header .nlogo--lead-sub .glyph .leaves i{ width: 3px; height: 3px; background: var(--muted-2); }
  .site-header .nlogo--lead-sub .glyph .leaves i:nth-child(2){ width: 2.5px; height: 2.5px; }
  .site-header .nlogo--lead-sub .glyph .leaves i:nth-child(3){ width: 2.5px; height: 2.5px; }
  .site-header .nlogo--lead-sub .lock .jp{
    font-size: 10.5px;
    font-weight: 400;
    color: var(--muted);
    letter-spacing: 0.16em;
  }
  .site-header .nlogo--lead-sub .lock .en{
    font-size: 8px;
    color: var(--muted-2);
  }
  .site-header .nlogo--lead-sub .lock .jp::before{
    content: "by ";
    font-family: var(--display-en);
    font-style: italic;
    color: var(--muted-2);
    margin-right: 4px;
    letter-spacing: 0;
  }
  .subbrand .word{
    font-family: "Montserrat", sans-serif;
    font-weight: 700;
    font-size: 16px;
    letter-spacing: 0.12em;
    color: var(--navy);
  }
  .subbrand .word .u{ color: var(--ember); margin-right: 2px; }
  .subbrand .word .reform{ font-family: var(--display-jp); font-weight: 400; color: var(--ink-2); margin-left: 4px; font-size: 14px; letter-spacing: normal; }
  .subbrand .desc{
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: 4px;
  }
  .on-dark .subbrand .word{ color: var(--white); }
  .on-dark .subbrand .word .u{ color: var(--ember); }
  .on-dark .subbrand .word .reform{ color: rgba(251,249,244,.78); }
  .on-dark .subbrand .desc{ color: rgba(251,249,244,.6); }

  /* ------------------------------------------------------------ */
  /* Header                                                       */
  /* ------------------------------------------------------------ */
  .site-header{
    position: fixed; inset: 0 0 auto 0;
    z-index: 50;
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px var(--gutter);
    background: rgba(246, 243, 236, 0.85);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid transparent;
    color: var(--ink);
    transition: background .35s ease, border-color .35s ease, padding .35s ease;
  }
  .site-header.is-scrolled{
    background: rgba(246, 243, 236, 0.95);
    border-bottom-color: var(--rule);
    padding-top: 14px; padding-bottom: 14px;
  }

  .nav{ display:flex; align-items:center; gap: 36px; }
  .nav a{
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.18em;
    font-weight: 400;
    color: var(--ink);
    position: relative;
    padding: 6px 0;
  }
  .nav a .jp{
    display:block;
    font-family: var(--sans-jp);
    font-style: normal;
    font-size: 10px;
    letter-spacing: 0.18em;
    margin-top: 3px;
    color: var(--muted);
    font-weight: 400;
  }
  .nav a::after{
    content:""; position:absolute; left:0; bottom:0;
    width: 100%; height: 1px; background: var(--navy);
    transform: scaleX(0); transform-origin: left;
    transition: transform .35s ease;
  }
  .nav a:hover{ color: var(--navy); }
  .nav a:hover::after{ transform: scaleX(1); }

  .nav-cta{
    display:inline-flex; align-items:center; gap:12px;
    padding: 11px 18px;
    background: var(--navy);
    color: var(--white) !important;
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.12em;
    transition: background .25s ease;
  }
  .nav-cta:hover{ background: var(--navy-2); color: var(--white) !important; }
  .nav-cta::after{ display:none; }
  .nav-cta:hover::after{ display:none; }

  /* ===== ナビ：施工メニュー ドロップダウン ===== */
  .nav .nav-has-sub{ position: relative; display: inline-flex; align-items: center; }
  .nav-menu-trigger{
    font-family: var(--display-en); font-style: italic; font-weight: 400;
    font-size: 13px; letter-spacing: 0.18em; color: var(--ink);
    background: none; border: 0; padding: 6px 0; margin: 0; cursor: pointer;
    text-align: left;
  }
  .nav-menu-trigger .caret{
    font-style: normal; font-size: 9px; margin-left: 7px; opacity: .55;
    display: inline-block; transition: transform .25s ease, opacity .2s ease;
  }
  .nav-menu-trigger .jp{
    display:block; font-family: var(--sans-jp); font-style: normal; font-weight: 400;
    font-size: 10px; letter-spacing: 0.18em; margin-top: 3px; color: var(--muted);
  }
  .nav-has-sub:hover .nav-menu-trigger,
  .nav-has-sub:focus-within .nav-menu-trigger{ color: var(--navy); }
  .nav-has-sub:hover .caret,
  .nav-has-sub:focus-within .caret{ transform: rotate(180deg); opacity: .8; }

  .nav-submenu{
    position: absolute; top: 100%; left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 220px; padding: 8px;
    background: var(--white);
    border: 1px solid var(--rule);
    box-shadow: 0 20px 44px rgba(15,35,71,.12);
    display: flex; flex-direction: column;
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .22s ease, transform .22s ease;
    z-index: 60;
  }
  .nav-has-sub:hover .nav-submenu,
  .nav-has-sub:focus-within .nav-submenu{
    opacity: 1; visibility: visible; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
  }
  .nav .nav-submenu a{
    display: block; padding: 12px 16px;
    font-family: var(--sans-jp); font-style: normal; font-weight: 400;
    font-size: 13px; letter-spacing: 0.08em; color: var(--ink-2);
    white-space: nowrap;
    transition: background .18s ease, color .18s ease;
  }
  .nav .nav-submenu a::after{ display: none; }
  .nav .nav-submenu a:hover{ background: rgba(15,35,71,.05); color: var(--navy); }

  .menu-btn{ display:none; }

  /* ------------------------------------------------------------ */
  /* Hero                                                          */
  /* ------------------------------------------------------------ */
  .hero{
    position: relative;
    min-height: 100vh;
    padding-top: 96px;
    background: var(--paper);
    overflow: hidden;
  }
  .hero-inner{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--gutter);
    display: grid;
    grid-template-columns: minmax(0, 0.52fr) minmax(0, 1fr);
    gap: clamp(28px, 5vw, 80px);
    align-items: center;
    min-height: calc(100vh - 96px);
    padding-bottom: 80px;
  }
  .hero-copy{
    position: relative;
    z-index: 2;
  }
  .hero-kicker{
    display:flex; align-items:center; gap: 14px;
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.2em;
    color: var(--navy);
    margin-bottom: 28px;
  }
  .hero-kicker::before{
    content:""; width: 40px; height: 1px; background: var(--navy);
  }
  .hero-kicker .ember{
    display:inline-block; width:5px; height:5px; border-radius:50%;
    background: var(--ember);
    margin-left: 2px; transform: translateY(-8px);
  }
  .hero h1{
    font-family: var(--display-jp);
    font-weight: 500;
    font-size: clamp(34px, 4.6vw, 64px);
    line-height: 1.45;
    letter-spacing: 0.08em;
    color: var(--ink);
    margin: 0 0 28px;
  }
  .hero h1 .navy{ color: var(--navy); }
  .hero h1 .underline{
    display:inline-block; position: relative;
  }
  .hero h1 .underline::after{
    content:""; position:absolute; left: 0; right: 0; bottom: -6px;
    height: 1px; background: var(--sage);
  }
  .hero h1 .ember-dot{
    display:inline-block; width: 8px; height: 8px; border-radius: 50%;
    background: var(--ember);
    transform: translateY(-32px);
    margin-left: 2px;
  }
  .hero-en{
    font-family: var(--display-en);
    font-style: italic;
    font-size: clamp(16px, 1.6vw, 20px);
    color: var(--navy);
    margin: 0 0 24px;
    letter-spacing: 0.02em;
    line-height: 1.45;
  }
  .hero-sub{
    max-width: 460px;
    font-size: 14.5px;
    line-height: 2.1;
    color: var(--ink-3);
    margin: 0 0 44px;
    letter-spacing: 0.06em;
  }
  .hero-actions{
    display:flex; align-items:center; gap: 24px;
    flex-wrap: wrap;
  }
  .btn-line{
    display:inline-flex; align-items:center; gap: 14px;
    padding: 14px 0 14px 0;
    font-family: var(--display-en);
    font-style: italic;
    font-size: 14px;
    letter-spacing: 0.1em;
    color: var(--navy);
    border-bottom: 1px solid var(--navy);
    transition: padding .25s ease, color .25s ease;
  }
  .btn-line .jp{
    font-family: var(--sans-jp); font-style: normal;
    font-size: 11px; letter-spacing: 0.18em;
    color: var(--muted); margin-left: 10px;
    padding-left: 10px; border-left: 1px solid var(--rule-2);
  }
  .btn-line:hover{ padding-right: 16px; }
  .btn-line .arrow{
    display:inline-block; width: 28px; height: 1px; background: currentColor;
    position: relative;
  }
  .btn-line .arrow::after{
    content:""; position:absolute; right:0; top:-3px;
    width: 7px; height: 7px;
    border-top:1px solid currentColor; border-right:1px solid currentColor;
    transform: rotate(45deg);
  }

  /* hero visual */
  .hero-visual{
    position: relative;
    aspect-ratio: 7/8;
    background: var(--paper-2);
    overflow: hidden;
  }
  .hero-visual img{
    width:100%; height:100%; object-fit: cover;
    transform: scale(1.02);
    animation: heroPan 28s ease-in-out infinite alternate;
  }
  @keyframes heroPan{
    from { transform: scale(1.02) translate3d(0,0,0); }
    to   { transform: scale(1.07) translate3d(-1%, -1.5%, 0); }
  }
  /* number tab */
  .hero-tab{
    position:absolute; left: 0; top: 32px;
    background: var(--navy);
    color: var(--white);
    padding: 10px 16px 10px 18px;
    font-family: var(--display-en);
    font-style: italic;
    font-size: 12px;
    letter-spacing: 0.16em;
    display:flex; align-items:baseline; gap: 10px;
  }
  .hero-tab .n{ font-size: 18px; font-style: normal; }
  .hero-tab .desc{
    font-family: var(--sans-jp); font-style: normal;
    font-size: 11px; letter-spacing: 0.16em;
  }
  /* small floating caption */
  .hero-cap{
    position:absolute; right: -1px; bottom: 0;
    background: var(--paper);
    border-top: 1px solid var(--rule);
    border-left: 1px solid var(--rule);
    padding: 16px 22px;
    display:flex; flex-direction:column; gap: 4px;
    max-width: 280px;
  }
  .hero-cap .lab{
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .hero-cap .body{
    font-family: var(--display-jp);
    font-size: 12px;
    color: var(--ink-2);
    letter-spacing: 0.06em;
    line-height: 1.7;
  }

  /* hero bottom strip — quick links */
  .hero-strip{
    position: absolute;
    left: 0; right: 0; bottom: 0;
    border-top: 1px solid var(--rule);
    background: var(--paper);
    padding: 14px var(--gutter);
    display: flex; align-items: center; justify-content: space-between;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--muted);
    z-index: 3;
  }
  .hero-strip .scroll-cue{ display:flex; align-items:center; gap: 14px; }
  .hero-strip .scroll-cue::before{
    content:""; width: 36px; height: 1px;
    background: var(--ink);
    animation: cueLine 2.4s ease-in-out infinite;
    transform-origin: left;
  }
  @keyframes cueLine{
    0%   { transform: scaleX(0); transform-origin: left; }
    50%  { transform: scaleX(1); transform-origin: left; }
    51%  { transform: scaleX(1); transform-origin: right; }
    100% { transform: scaleX(0); transform-origin: right; }
  }
  .hero-strip .areas{ color: var(--ink-2); }
  .hero-strip .areas .pin{ color: var(--ember); }

  /* ------------------------------------------------------------ */
  /* Section primitives                                            */
  /* ------------------------------------------------------------ */
  section{ position: relative; }
  .container{
    max-width: var(--maxw);
    margin: 0 auto;
    padding: 0 var(--gutter);
  }
  .eyebrow{
    display:flex; align-items:center; gap: 14px;
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.12em;
    color: var(--navy);
  }
  .eyebrow::before{
    content:""; width: 28px; height: 1px; background: var(--navy);
  }
  .eyebrow .num{
    font-family: var(--display-en); font-style: normal;
    font-size: 13px; color: var(--ember);
    letter-spacing: 0.06em;
  }
  .eyebrow .num::after{
    content:""; display:inline-block; width: 3px; height: 3px;
    border-radius: 50%; background: var(--ember);
    margin-left: 4px; transform: translateY(-7px);
  }

  .h-display{
    font-family: var(--display-jp);
    font-weight: 500;
    font-size: clamp(28px, 3.6vw, 48px);
    line-height: 1.5;
    letter-spacing: 0.08em;
    color: var(--ink);
    margin: 22px 0 0;
  }
  .h-display .en{
    display:block;
    font-family: var(--display-en);
    font-style: italic;
    font-weight: 400;
    color: var(--navy);
    font-size: 0.42em;
    letter-spacing: 0.04em;
    margin-top: 16px;
  }

  /* ------------------------------------------------------------ */
  /* Concept                                                       */
  /* ------------------------------------------------------------ */
  .concept{
    padding: clamp(100px, 12vw, 160px) 0 clamp(80px, 10vw, 130px);
    background: var(--paper);
  }
  .concept .container{
    display: grid;
    grid-template-columns: minmax(0, 0.42fr) minmax(0, 0.58fr);
    gap: clamp(40px, 6vw, 100px);
    align-items: start;
  }
  .concept-head h2{
    font-family: var(--display-jp);
    font-weight: 400;
    font-size: clamp(26px, 3.2vw, 42px);
    line-height: 1.6;
    letter-spacing: 0.07em;
    color: var(--ink);
    margin: 22px 0 0;
  }
  .concept-head h2 .navy{ color: var(--navy); }
  .concept-head h2 .sage{
    display:inline-block; position: relative;
  }
  .concept-head h2 .sage::after{
    content:""; position:absolute; left: 0; right: 0; bottom: 2px;
    height: 1px; background: var(--sage);
  }
  .concept-body p{
    margin: 0 0 22px;
    color: var(--ink-3);
    font-size: 15px;
    line-height: 2.25;
    letter-spacing: 0.06em;
    font-family: var(--display-jp);
    font-weight: 400;
  }
  .concept-body p:last-of-type{ margin-bottom: 0; }
  .concept-body p b{ color: var(--navy); font-weight: 500; }

  .concept-body .lifeline{
    list-style: none; padding: 0; margin: 0 0 32px;
    display: grid; gap: 14px;
  }
  .concept-body .lifeline li{
    display: grid;
    grid-template-columns: 90px 1fr;
    gap: 16px;
    padding: 14px 0;
    border-bottom: 1px solid var(--rule);
    font-family: var(--display-jp);
    font-size: 14px;
    color: var(--ink-2);
    line-height: 1.85;
  }
  .concept-body .lifeline li:first-child{ border-top: 1px solid var(--rule); }
  .concept-body .lifeline .k{
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: var(--sage-2);
    text-transform: uppercase;
    padding-top: 4px;
  }
  .concept-body .lifeline li .t{
    font-family: var(--display-jp);
    font-size: 14px;
    color: var(--ink-2);
    line-height: 1.85;
    /* break only at natural Japanese punctuation, not mid-phrase */
    word-break: keep-all;
    line-break: strict;
    overflow-wrap: anywhere;
  }
  .concept-body .sign{
    margin-top: 36px;
    display:flex; align-items:center; gap: 14px;
    font-family: var(--display-en); font-style: italic;
    font-size: 13px;
    color: var(--muted);
    letter-spacing: 0.06em;
  }
  .concept-body .sign::before{
    content:""; width: 32px; height: 1px; background: currentColor;
  }

  /* ------------------------------------------------------------ */
  /* Life stages                                                   */
  /* ------------------------------------------------------------ */
  .stages{
    padding: clamp(80px, 10vw, 130px) 0 clamp(100px, 12vw, 160px);
    background: var(--paper-2);
    position: relative;
    overflow: hidden;
  }
  .stages-head{
    max-width: 760px;
    margin: 0 auto clamp(56px, 6vw, 84px);
    text-align: center;
  }
  .stages-head .eyebrow{ justify-content: center; }
  .stages-head .eyebrow::before{ display:none; }
  .stages-head h2{
    font-family: var(--display-jp);
    font-weight: 400;
    font-size: clamp(26px, 3vw, 38px);
    line-height: 1.7;
    letter-spacing: 0.1em;
    margin: 18px 0 18px;
    color: var(--ink);
  }
  .stages-head p{
    color: var(--ink-3);
    font-size: 14.5px;
    line-height: 2;
    max-width: 580px;
    margin: 0 auto;
    font-family: var(--display-jp);
    letter-spacing: 0.06em;
  }

  .stages-track{
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: clamp(16px, 1.6vw, 28px);
    align-items: stretch;
  }
  .stage-card{
    background: var(--white);
    border: 1px solid var(--rule);
    padding: 0;
    display: flex; flex-direction: column;
    transition: transform .4s ease, box-shadow .4s ease;
  }
  .stage-card:hover{
    transform: translateY(-4px);
    box-shadow: 0 30px 60px -30px rgba(27, 58, 111, .18);
  }
  .stage-card .visual{
    aspect-ratio: 4/5;
    background: var(--paper-2);
    background-image: repeating-linear-gradient(135deg, transparent 0 14px, rgba(0,0,0,.045) 14px 15px);
    position: relative;
    overflow: hidden;
  }
  .stage-card .visual img{
    width:100%; height:100%; object-fit: cover;
  }
  .stage-card .body{
    padding: 26px 24px 28px;
    display: flex; flex-direction: column; gap: 8px; flex: 1;
  }
  .stage-card .age{
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    color: var(--navy);
    letter-spacing: 0.04em;
  }
  .stage-card h3{
    font-family: var(--display-jp);
    font-weight: 500;
    font-size: 18px;
    line-height: 1.6;
    letter-spacing: 0.08em;
    margin: 0;
    color: var(--ink);
  }
  .stage-card p{
    margin: 6px 0 0;
    font-size: 13px;
    line-height: 2;
    color: var(--ink-3);
    letter-spacing: 0.04em;
    font-family: var(--display-jp);
  }
  .stage-card .ix{
    margin-top: auto; padding-top: 18px;
    display: flex; align-items: center; justify-content: space-between;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: var(--muted);
    border-top: 1px solid var(--rule);
  }
  .stage-card .ix .n{
    font-family: var(--display-en); font-style: normal;
    font-size: 15px; color: var(--navy); letter-spacing: 0;
  }
  .stage-card .ix .leaf{
    display:inline-block; width: 4px; height: 4px;
    background: var(--sage); border-radius: 50%;
    margin-left: 4px;
  }

  /* ------------------------------------------------------------ */
  /* Menu                                                          */
  /* ------------------------------------------------------------ */
  .menu-sec{
    padding: clamp(100px, 12vw, 160px) 0;
    background: var(--paper);
  }
  .menu-head{
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: end;
    margin-bottom: clamp(48px, 5vw, 72px);
  }
  .menu-head .col-r p{
    color: var(--ink-3);
    font-size: 14.5px; line-height: 2.1;
    max-width: 440px;
    margin: 0 0 0 auto;
    letter-spacing: 0.06em;
    font-family: var(--display-jp);
  }

  .menu-grid{
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    grid-template-rows: auto auto;
    gap: 18px;
  }
  .menu-item{
    position: relative;
    color: var(--white);
    overflow: hidden;
    isolation: isolate;
    display: flex; flex-direction: column; justify-content: flex-end;
    padding: 38px 36px 34px;
    min-height: 360px;
    transition: transform .5s ease;
  }
  .menu-item:hover{ transform: translateY(-3px); }
  .menu-item .bg{
    position:absolute; inset:0; z-index:-2;
    background-size: cover; background-position: center;
    transition: transform .8s ease;
  }
  .menu-item:hover .bg{ transform: scale(1.05); }
  .menu-item::before{
    content:""; position:absolute; inset:0; z-index:-1;
    background: linear-gradient(180deg, rgba(20,23,28,0) 0%, rgba(20,23,28,0.18) 40%, rgba(20,23,28,0.82) 100%);
  }
  .menu-item.featured{
    grid-row: span 2;
    min-height: 100%;
    padding: 52px 48px 46px;
  }
  .menu-item.featured::before{
    background: linear-gradient(180deg, rgba(27,58,111,0) 0%, rgba(27,58,111,0.15) 35%, rgba(15,35,71,0.88) 100%);
  }
  .menu-item .ix{
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: auto;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    opacity: .9;
  }
  .menu-item .ix .n{
    font-family: var(--display-en); font-style: normal;
    font-size: 20px;
    letter-spacing: 0;
    text-transform: none;
    opacity: 1;
  }
  .menu-item.featured .ix .n{ font-size: 30px; }
  .menu-item .ix .tag{
    padding: 5px 11px;
    border: 1px solid rgba(255,255,255,.5);
    font-size: 9px;
    letter-spacing: 0.24em;
  }
  .menu-item.featured .ix .tag{
    background: var(--ember);
    border-color: var(--ember);
    color: var(--white);
  }

  .menu-item h3{
    font-family: var(--display-jp);
    font-weight: 500;
    font-size: 24px;
    line-height: 1.5;
    letter-spacing: 0.1em;
    margin: 0 0 8px;
    color: var(--white);
  }
  .menu-item.featured h3{
    font-size: clamp(32px, 3.6vw, 50px);
    line-height: 1.35;
    margin-bottom: 14px;
  }
  .menu-item .en{
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,.78);
    margin-bottom: 14px;
  }
  .menu-item.featured .en{
    font-size: 18px;
    margin-bottom: 22px;
    color: rgba(255,255,255,.85);
  }
  .menu-item p{
    font-size: 13px;
    line-height: 2;
    color: rgba(255,255,255,.85);
    margin: 0 0 22px;
    max-width: 440px;
    letter-spacing: 0.06em;
    font-family: var(--display-jp);
  }
  .menu-item.featured p{
    font-size: 14.5px; max-width: 520px;
    margin-bottom: 30px;
  }
  .menu-item .more{
    display: inline-flex; align-items: center; gap: 12px;
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.06em;
  }
  .menu-item .more .arrow{ position: relative; width: 24px; height: 1px; background: currentColor; transition: width .25s ease; }
  .menu-item .more .arrow::after{
    content:""; position:absolute; right:0; top:-3px;
    width: 7px; height: 7px;
    border-top:1px solid currentColor; border-right:1px solid currentColor;
    transform: rotate(45deg);
  }
  .menu-item:hover .more .arrow{ width: 36px; }

  /* ------------------------------------------------------------ */
  /* Works                                                         */
  /* ------------------------------------------------------------ */
  .works{
    padding: clamp(100px, 12vw, 160px) 0;
    background: var(--paper-2);
    position: relative;
  }
  .works-head{
    display: flex; align-items: end; justify-content: space-between;
    gap: 40px;
    margin-bottom: clamp(48px, 5vw, 72px);
    flex-wrap: wrap;
  }
  .works-head .view-all{
    display: inline-flex; align-items: center; gap: 14px;
    padding: 14px 24px;
    border: 1px solid var(--navy);
    color: var(--navy);
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.1em;
    transition: background .25s ease, color .25s ease;
  }
  .works-head .view-all:hover{
    background: var(--navy); color: var(--white);
  }
  .works-head .view-all .arrow{
    display:inline-block; width: 18px; height: 1px; background: currentColor; position: relative;
  }
  .works-head .view-all .arrow::after{
    content:""; position:absolute; right:0; top:-3px;
    width: 6px; height: 6px; border-top:1px solid currentColor; border-right:1px solid currentColor;
    transform: rotate(45deg);
  }

  .works-grid{
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 24px;
  }
  .work-card{
    grid-column: span 4;
    display: flex; flex-direction: column; gap: 16px;
  }
  .work-card.feature{ grid-column: span 8; grid-row: span 2; }
  .work-card.wide{ grid-column: span 6; }
  .work-card .visual{
    background: var(--paper-3);
    background-image: repeating-linear-gradient(135deg, transparent 0 14px, rgba(0,0,0,.045) 14px 15px);
    overflow: hidden;
    aspect-ratio: 4/3;
    position: relative;
  }
  .work-card.feature .visual{ aspect-ratio: 16/11; }
  .work-card .visual img{
    width:100%; height:100%; object-fit: cover;
    transition: transform .8s ease;
  }
  .work-card:hover .visual img{ transform: scale(1.04); }
  .work-card .visual .badge{
    position:absolute; left: 14px; top: 14px;
    padding: 6px 12px;
    background: var(--paper);
    color: var(--navy);
    font-family: var(--display-en);
    font-style: italic;
    font-size: 11px;
    letter-spacing: 0.08em;
    border: 1px solid var(--rule);
  }
  .work-card.feature .visual .badge{
    background: var(--navy); color: var(--white); border-color: var(--navy);
  }

  .work-meta{
    display: flex; align-items: center; gap: 12px;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
  }
  .work-meta .dot{ width: 3px; height: 3px; background: var(--muted-2); border-radius: 50%; }
  .work-card h3{
    font-family: var(--display-jp);
    font-weight: 500;
    font-size: 17px;
    line-height: 1.65;
    letter-spacing: 0.06em;
    margin: 2px 0 0;
    color: var(--ink);
  }
  .work-card.feature h3{ font-size: 24px; }
  .work-card .area{
    font-size: 12.5px;
    color: var(--muted);
    letter-spacing: 0.06em;
    font-family: var(--display-jp);
  }

  /* ------------------------------------------------------------ */
  /* About strip                                                   */
  /* ------------------------------------------------------------ */
  .about-strip{
    padding: clamp(80px, 10vw, 130px) 0;
    background: var(--navy);
    color: var(--white);
    position: relative;
    overflow: hidden;
  }
  .about-strip::after{
    content:""; position: absolute;
    right: -180px; top: -180px;
    width: 520px; height: 520px;
    border: 1px solid rgba(251,249,244,.08);
    border-radius: 50%;
    pointer-events: none;
  }
  .about-strip::before{
    content:""; position: absolute;
    right: -80px; top: -80px;
    width: 320px; height: 320px;
    border: 1px solid rgba(251,249,244,.06);
    border-radius: 50%;
    pointer-events: none;
  }
  .about-strip .container{
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: clamp(40px, 6vw, 100px);
    align-items: center;
    position: relative;
  }
  .about-strip .eyebrow{ color: rgba(251,249,244,.85); }
  .about-strip .eyebrow::before{ background: rgba(251,249,244,.85); }
  .about-strip .eyebrow .num{ color: var(--ember); }
  .about-strip h2{
    font-family: var(--display-jp);
    font-weight: 400;
    font-size: clamp(24px, 3.2vw, 40px);
    line-height: 1.7;
    letter-spacing: 0.08em;
    margin: 22px 0 28px;
    color: var(--white);
  }
  .about-strip h2 .accent{
    display:inline-block; position: relative;
  }
  .about-strip h2 .accent::after{
    content:""; position:absolute; left: 0; right: 0; bottom: 2px;
    height: 1px; background: var(--sage);
  }
  .about-strip p{
    font-size: 14.5px; line-height: 2.15; letter-spacing: 0.06em;
    color: rgba(251,249,244,.78);
    margin: 0 0 22px;
    font-family: var(--display-jp);
  }
  .about-strip p b{ color: var(--white); font-weight: 500; }
  .about-strip .quote{
    font-family: var(--display-en);
    font-style: italic;
    font-size: clamp(20px, 2.2vw, 28px);
    line-height: 1.55;
    color: rgba(251,249,244,.92);
    margin: 0 0 30px;
    letter-spacing: 0.02em;
    padding-left: 28px;
    border-left: 1px solid rgba(251,249,244,.4);
  }
  .about-strip .meta-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 36px;
    border-top: 1px solid rgba(251,249,244,.18);
    padding-top: 28px;
  }
  .about-strip .meta-grid .cell{
    padding-right: 24px;
    border-right: 1px solid rgba(251,249,244,.14);
  }
  .about-strip .meta-grid .cell:last-child{ border-right: 0; padding-right: 0; padding-left: 24px; }
  .about-strip .meta-grid .cell:nth-child(2){ padding-left: 24px; }
  .about-strip .meta-grid .k{
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.26em;
    text-transform: uppercase;
    color: rgba(251,249,244,.55);
    margin-bottom: 12px;
  }
  .about-strip .meta-grid .v{
    font-family: var(--display-en); font-style: normal;
    font-size: 30px;
    line-height: 1;
    color: var(--white);
    letter-spacing: 0.01em;
  }
  .about-strip .meta-grid .v .u{
    font-family: var(--display-jp);
    font-size: 13px;
    margin-left: 4px;
    color: rgba(251,249,244,.65);
    font-weight: 400;
  }
  .about-strip .meta-grid .lab{
    font-family: var(--display-jp);
    font-size: 12px;
    color: rgba(251,249,244,.7);
    margin-top: 8px;
    letter-spacing: 0.06em;
  }

  /* ------------------------------------------------------------ */
  /* CTA                                                          */
  /* ------------------------------------------------------------ */
  .cta{
    padding: clamp(100px, 12vw, 160px) 0;
    background: var(--paper);
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .cta::before, .cta::after{
    content:""; position: absolute; top: 50%; height: 1px;
    background: var(--rule-2);
    width: calc(50% - 300px);
  }
  .cta::before{ left: 0; }
  .cta::after{ right: 0; }
  .cta .eyebrow{ justify-content: center; }
  .cta .eyebrow::before{ display:none; }
  .cta h2{
    font-family: var(--display-jp);
    font-weight: 400;
    font-size: clamp(26px, 3.6vw, 44px);
    line-height: 1.55;
    letter-spacing: 0.1em;
    margin: 18px 0 14px;
    color: var(--ink);
  }
  .cta .h-en{
    font-family: var(--display-en);
    font-style: italic;
    font-weight: 400;
    font-size: clamp(22px, 2.6vw, 34px);
    line-height: 1.2;
    color: var(--navy);
    margin: 0 0 22px;
    letter-spacing: 0.02em;
  }
  .cta p{
    color: var(--ink-3);
    font-size: 14.5px; line-height: 2.1;
    max-width: 560px;
    margin: 0 auto 44px;
    letter-spacing: 0.06em;
    font-family: var(--display-jp);
  }
  .cta-buttons{
    display: inline-flex; gap: 16px; flex-wrap: wrap; justify-content: center;
  }
  .btn-primary, .btn-secondary{
    display: inline-flex; align-items: center; gap: 14px;
    padding: 18px 30px;
    font-family: var(--display-en);
    font-style: italic;
    font-size: 13px;
    letter-spacing: 0.08em;
    transition: transform .25s ease, background .25s ease, color .25s ease, border-color .25s ease;
  }
  .btn-primary .jp, .btn-secondary .jp{
    font-family: var(--sans-jp); font-style: normal;
    font-size: 11px; letter-spacing: 0.18em;
    padding-left: 10px; margin-left: 4px;
    border-left: 1px solid currentColor;
    opacity: .85;
  }
  .btn-primary{
    background: var(--navy);
    color: var(--white);
  }
  .btn-primary:hover{ background: var(--navy-2); transform: translateY(-2px); }
  .btn-secondary{
    border: 1px solid var(--navy);
    color: var(--navy);
  }
  .btn-secondary:hover{ background: var(--navy); color: var(--white); }
  .btn-primary .arrow, .btn-secondary .arrow{
    display:inline-block; width: 24px; height: 1px; background: currentColor; position: relative;
  }
  .btn-primary .arrow::after, .btn-secondary .arrow::after{
    content:""; position:absolute; right:0; top:-3px;
    width: 7px; height: 7px;
    border-top:1px solid currentColor; border-right:1px solid currentColor;
    transform: rotate(45deg);
  }
  .cta .areas{
    margin-top: 56px;
    display: inline-flex; align-items: center; gap: 24px;
    padding: 14px 28px;
    background: var(--white);
    border: 1px solid var(--rule);
    font-family: var(--display-jp);
    font-size: 13px;
    color: var(--ink-2);
    letter-spacing: 0.1em;
  }
  .cta .areas .lab{
    font-family: var(--display-en); font-style: italic;
    font-size: 12px;
    letter-spacing: 0.06em;
    color: var(--ember);
    padding-right: 18px;
    border-right: 1px solid var(--rule);
  }

  /* ------------------------------------------------------------ */
  /* Footer                                                       */
  /* ------------------------------------------------------------ */
  footer{
    background: var(--ink);
    color: rgba(251,249,244,.65);
    padding: clamp(70px, 8vw, 110px) 0 30px;
  }
  footer .container{
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 40px;
  }
  footer .nlogo .glyph{ color: var(--white); font-size: 38px; }
  footer .nlogo .lock .jp{ color: var(--white); }
  footer .nlogo .lock .en{ color: rgba(251,249,244,.5); }
  footer .parent-name{
    font-family: var(--display-en); font-style: italic;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: rgba(251,249,244,.55);
    margin: 22px 0 26px;
  }
  footer .parent-name .ember{ color: var(--ember); }
  footer address{
    font-style: normal;
    font-size: 13px;
    line-height: 2;
    color: rgba(251,249,244,.7);
    letter-spacing: 0.06em;
    font-family: var(--display-jp);
  }
  footer h4{
    font-family: var(--display-en);
    font-style: italic;
    font-size: 14px;
    letter-spacing: 0.1em;
    font-weight: 400;
    color: var(--white);
    margin: 0 0 22px;
  }
  footer ul{ list-style: none; padding: 0; margin: 0; }
  footer li{ margin-bottom: 12px; font-size: 13px; }
  footer li a{
    color: rgba(251,249,244,.78);
    transition: color .25s ease;
    display: inline-flex; align-items: baseline; gap: 10px;
    font-family: var(--display-jp);
  }
  footer li a:hover{ color: var(--white); }
  footer li a .en{
    font-family: var(--display-en); font-style: italic;
    font-size: 11px;
    letter-spacing: 0.06em;
    color: rgba(251,249,244,.45);
  }
  footer .legal{
    grid-column: 1 / -1;
    margin-top: 60px; padding-top: 24px;
    border-top: 1px solid rgba(251,249,244,.12);
    display: flex; justify-content: space-between; align-items: center;
    font-family: var(--mono);
    font-size: 10px;
    letter-spacing: 0.18em;
    color: rgba(251,249,244,.45);
    flex-wrap: wrap; gap: 16px;
  }

  /* ------------------------------------------------------------ */
  /* Animations on scroll                                          */
  /* ------------------------------------------------------------ */
  .reveal{
    opacity: 0;
    transform: translateY(20px);
    transition: opacity .9s ease, transform .9s ease;
    transition-delay: var(--d, 0ms);
  }
  .reveal.in{ opacity: 1; transform: translateY(0); }

  /* ------------------------------------------------------------ */
  /* Responsive                                                    */
  /* ------------------------------------------------------------ */
  @media (max-width: 1080px){
    .hero-inner{ grid-template-columns: 1fr; padding-top: 24px; padding-bottom: 120px; }
    .hero-visual{ aspect-ratio: 16/10; }
  }
  @media (max-width: 960px){
    .nav{ display: none; }
    .menu-btn{
      display: inline-flex; align-items: center; gap: 10px;
      font-family: var(--display-en); font-style: italic; font-size: 13px;
      letter-spacing: 0.12em;
    }
    .concept .container{ grid-template-columns: 1fr; }
    .stages-track{ grid-template-columns: repeat(2, 1fr); }
    .menu-head{ grid-template-columns: 1fr; gap: 24px; }
    .menu-head .col-r p{ margin: 0; }
    .menu-grid{ grid-template-columns: 1fr; }
    .menu-item.featured{ grid-row: auto; }
    .works-grid{ grid-template-columns: repeat(6, 1fr); }
    .work-card, .work-card.feature, .work-card.wide{ grid-column: span 6; }
    .about-strip .container{ grid-template-columns: 1fr; }
    .about-strip .meta-grid{ grid-template-columns: 1fr; }
    .about-strip .meta-grid .cell{ border-right: 0; padding: 18px 0; border-bottom: 1px solid rgba(251,249,244,.14); }
    .about-strip .meta-grid .cell:last-child{ padding-left: 0; border-bottom: 0; }
    .about-strip .meta-grid .cell:nth-child(2){ padding-left: 0; }
    footer .container{ grid-template-columns: 1fr 1fr; }
  }
  @media (max-width: 560px){
    .stages-track{ grid-template-columns: 1fr; }
    footer .container{ grid-template-columns: 1fr; }
    footer .legal{ flex-direction: column; align-items: flex-start; }
    .cta::before, .cta::after{ display:none; }
    .hero-cap{ display: none; }
    .subbrand{ margin-left: 12px; padding-left: 12px; }
    .subbrand .word{ font-size: 14px; }
    .subbrand .desc{ display: none; }

    /* hide the lifeline entirely on mobile — the concept body
       already conveys the same idea in prose. */
    .concept-body .lifeline{ display: none; }

    /* tighten hero copy on tiny screens */
    .hero{ padding-top: 80px; }
    .hero-en{ font-size: 14px; }
    .hero-sub{ font-size: 13.5px; line-height: 2; }

    /* about-strip quote */
    .about-strip .quote{ font-size: 18px; padding-left: 18px; }
  }

  /* ------------------------------------------------------------ */
  /* Map + social band (sits directly above the footer, site-wide) */
  /* ------------------------------------------------------------ */
  .map-band{
    background: var(--paper-2);
    border-top: 1px solid var(--rule);
  }
  .map-band .container{
    display: grid;
    grid-template-columns: 1.45fr 1fr;
    align-items: stretch;
    min-height: 400px;
    padding-top: 0; padding-bottom: 0;
  }
  .map-embed{
    position: relative;
    min-height: 400px;
    background: var(--paper-3);
    border-right: 1px solid var(--rule);
  }
  .map-embed iframe{
    position: absolute; inset: 0;
    width: 100%; height: 100%;
    border: 0;
    filter: grayscale(.25) contrast(1.02);
  }
  .map-info{
    padding: clamp(40px, 4vw, 64px) 0 clamp(40px, 4vw, 64px) clamp(36px, 4vw, 64px);
    display: flex; flex-direction: column; justify-content: center;
  }
  .map-info .eyebrow{ margin-bottom: 20px; }
  .map-info h3{
    font-family: var(--display-jp); font-weight: 500;
    font-size: clamp(20px, 2.2vw, 26px);
    letter-spacing: 0.07em; color: var(--ink);
    margin: 0 0 6px; line-height: 1.5;
  }
  .map-info .h-en{
    font-family: var(--display-en); font-style: italic;
    font-size: 13px; color: var(--navy); letter-spacing: 0.04em;
    margin-bottom: 18px;
  }
  .map-info address{
    font-style: normal;
    font-family: var(--display-jp);
    font-size: 14px; line-height: 2; color: var(--ink-3);
    letter-spacing: 0.05em;
    margin-bottom: 8px;
  }
  .map-info address a{ color: var(--navy); }
  .map-info .hours{
    font-family: var(--mono); font-size: 10px;
    letter-spacing: 0.16em; text-transform: uppercase;
    color: var(--muted);
  }
  .socials{
    display: flex; gap: 12px; flex-wrap: wrap;
    margin-top: 26px;
  }
  .social-btn{
    display: inline-flex; align-items: center; gap: 11px;
    padding: 13px 22px;
    border: 1px solid var(--rule-2);
    font-family: var(--display-en); font-style: italic;
    font-size: 13px; letter-spacing: 0.06em;
    color: var(--ink);
    transition: background .25s ease, color .25s ease, border-color .25s ease, transform .25s ease;
  }
  .social-btn svg{ width: 19px; height: 19px; flex-shrink: 0; }
  .social-btn .jp{
    font-family: var(--sans-jp); font-style: normal;
    font-size: 11px; letter-spacing: 0.12em;
    padding-left: 10px; margin-left: 2px;
    border-left: 1px solid currentColor; opacity: .8;
  }
  .social-btn:hover{ transform: translateY(-2px); }
  .social-btn.line:hover{ background: var(--sage-2); color: var(--white); border-color: var(--sage-2); }
  .social-btn.insta:hover{ background: var(--navy); color: var(--white); border-color: var(--navy); }

  @media (max-width: 860px){
    .map-band .container{ grid-template-columns: 1fr; min-height: 0; }
    .map-embed{ min-height: 300px; border-right: 0; border-bottom: 1px solid var(--rule); }
    .map-info{ padding: clamp(32px,5vw,48px) 0; }
  }

  /* ------------------------------------------------------------ */
  /* Mobile menu — full-screen drop-down overlay (slides from top) */
  /* ------------------------------------------------------------ */
  .m-overlay{
    position: fixed; inset: 0; z-index: 300;
    background: var(--paper);
    display: flex; flex-direction: column;
    padding: 22px var(--gutter) 36px;
    overflow-y: auto;
    transform: translateY(-101%);
    transition: transform .6s cubic-bezier(.76,0,.18,1);
    visibility: hidden;
  }
  .m-overlay::before{
    /* subtle paper texture line top */
    content:""; position:absolute; left:0; right:0; top:0; height:1px;
    background: var(--rule);
  }
  body.menu-open{ overflow: hidden; }
  body.menu-open .m-overlay{ transform: translateY(0); visibility: visible; }

  .m-bar{
    display:flex; align-items:center; justify-content: space-between;
    padding-bottom: 28px;
    border-bottom: 1px solid var(--rule);
  }
  .m-bar .m-brand{
    font-family: var(--display-en); font-style: italic;
    font-size: 15px; color: var(--navy); letter-spacing: 0.04em;
  }
  .m-bar .m-brand .u{ color: var(--ember); }
  .m-close{
    display:inline-flex; align-items:center; gap: 10px;
    font-family: var(--display-en); font-style: italic;
    font-size: 13px; letter-spacing: 0.12em; color: var(--ink);
    padding: 6px 0;
  }
  .m-close .x{
    width: 18px; height: 18px; position: relative;
  }
  .m-close .x::before, .m-close .x::after{
    content:""; position:absolute; left:50%; top:50%;
    width: 18px; height: 1px; background: var(--ink);
  }
  .m-close .x::before{ transform: translate(-50%,-50%) rotate(45deg); }
  .m-close .x::after{ transform: translate(-50%,-50%) rotate(-45deg); }

  .m-links{
    display: flex; flex-direction: column;
    padding: 18px 0 8px;
    flex: 1;
  }
  .m-links a{
    display: flex; align-items: baseline; gap: 14px;
    padding: 20px 0;
    border-bottom: 1px solid var(--rule);
    font-family: var(--display-jp); font-weight: 500;
    font-size: 26px; color: var(--ink);
    letter-spacing: 0.06em;
    /* staggered entrance */
    opacity: 0; transform: translateY(14px);
    transition: opacity .5s ease, transform .5s ease, color .25s ease;
  }
  .m-links a .en{
    font-family: var(--display-en); font-style: italic;
    font-size: 13px; color: var(--ember); letter-spacing: 0.04em;
  }
  .m-links a:active{ color: var(--navy); }
  body.menu-open .m-links a{ opacity: 1; transform: translateY(0); }
  body.menu-open .m-links a:nth-child(1){ transition-delay: .14s; }
  body.menu-open .m-links a:nth-child(2){ transition-delay: .2s; }
  body.menu-open .m-links a:nth-child(3){ transition-delay: .26s; }
  body.menu-open .m-links a:nth-child(4){ transition-delay: .32s; }
  body.menu-open .m-links a:nth-child(5){ transition-delay: .38s; }

  .m-foot{
    display: flex; flex-direction: column; gap: 8px;
    padding-top: 28px;
    opacity: 0; transform: translateY(14px);
    transition: opacity .5s ease .44s, transform .5s ease .44s;
  }
  body.menu-open .m-foot{ opacity: 1; transform: translateY(0); }
  .m-foot .m-tel{
    font-family: var(--display-en);
    font-size: 28px; color: var(--navy); letter-spacing: 0.02em;
  }
  .m-foot .m-hours{
    font-family: var(--display-jp);
    font-size: 13px; color: var(--ink-3); letter-spacing: 0.06em;
  }
  /* show overlay only where the hamburger is used */
  @media (min-width: 961px){
    .m-overlay{ display: none !important; }
  }